button{
    /* display: none; */
    background-color: #f8f8f8;
    border: 1px solid #cccccc;
    float:right;
    font-size: 12px;
    color: #000;
    padding: 2px 8px;
    margin: 8px;
    border-radius: 4px;
    cursor: pointer;
}
/* button:hover{
    opacity:1;
} */